From: "Steven Rostedt (Red Hat)" <[email protected]> I've been told that do_div() expects an unsigned 64 bit number, and is undefined if a signed is used. This gave a warning on the MIPS build. I'm not sure if a signed 64 bit dividend is really an issue or not, but the calculation this is used for is standard deviation, and that isn't going to be negative. We can just convert it to unsigned and be safe.
Reported-by: David Daney <[email protected]> Signed-off-by: Steven Rostedt <[email protected]> --- kernel/trace/trace_benchmark.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_benchmark.c b/kernel/trace/trace_benchmark.c index a10adc7095cd..8bd3365a65b2 100644 --- a/kernel/trace/trace_benchmark.c +++ b/kernel/trace/trace_benchmark.c @@ -33,7 +33,7 @@ static void trace_do_benchmark(void) u64 start; u64 stop; u64 delta; - s64 stddev; + u64 stddev; u64 seed; u64 last_seed; unsigned int avg; -- 2.0.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
